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4.9 Splice
The condition of the fiber can be observed via the image processing system in the
Swift KR12A. However, the visual inspection is necessary to ensure better splice
result. The splicing process starts as soon as the windshields cover is closed in Auto
mode.
i. The fibers loaded in the splicer move toward each other.
The movement stops at the positions after the fiber cleaning arc. Then the
splicer checks cleaved angle, end-face quality and dust. If the measured
cleaved angle is bigger than the preset limit value or any damage of the
fiber is discovered, an error message appears on the screen and the splice
process stops. Though no error message appears on the screen, visual
inspection on cross section is recommended as the process stops.
ii. After inspection, the both fibers are aligned clad to clad.
The measured values of cleaved angle and off-set can be displayed on the
screen.
iii. After completion of the fiber alignment, arc discharge is performed to splice
the fibers.
iv. The estimated loss value is measured after splicing and displayed on the
screen. The estimated loss value is affected by various error related
elements. And, these elements also influence the estimation and
computation of the value. The computation of the loss value is based on
measurement factor. If the estimated loss value is greater than the preset
limit, an error message appears on the screen. Also, an alarm can be
triggered by the discovery of an abnormal condition of the spliced part
including too thick or thin area or bubbles. Even if an error message does
not occur, it is recommended to perform the arc fusion process again if
the result on the screen does not look good enough.
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